{
 "cells": [
  {
   "metadata": {
    "ExecuteTime": {
     "end_time": "2025-02-25T02:23:34.633746Z",
     "start_time": "2025-02-25T02:23:34.626896Z"
    }
   },
   "cell_type": "code",
   "source": "3+4 # Ctrl+Enter 运行当前cell",
   "id": "581d490b78b683e0",
   "outputs": [
    {
     "data": {
      "text/plain": [
       "7"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "execution_count": 3
  },
  {
   "metadata": {
    "ExecuteTime": {
     "end_time": "2025-02-25T02:24:42.514280Z",
     "start_time": "2025-02-25T02:24:42.510594Z"
    }
   },
   "cell_type": "code",
   "source": [
    "# 加号增加单元格\n",
    "print(\"hello1\")\n",
    "print(\"hello2\")"
   ],
   "id": "54d5f3e8aa5b62f8",
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "hello1\n",
      "hello2\n"
     ]
    }
   ],
   "execution_count": 6
  },
  {
   "metadata": {},
   "cell_type": "markdown",
   "source": [
    "# Markdown 类似于HTML，可以用来写文档。\n",
    "# 标题"
   ],
   "id": "2c17a45104ac9ce1"
  },
  {
   "metadata": {},
   "cell_type": "markdown",
   "source": "### 三个井号",
   "id": "aea7a0943a0eb9a3"
  },
  {
   "metadata": {},
   "cell_type": "markdown",
   "source": "## 两个井号",
   "id": "e65da2052751a45f"
  },
  {
   "metadata": {},
   "cell_type": "code",
   "outputs": [],
   "execution_count": null,
   "source": [
    "# 选择前面点剪刀可以删除当前cell，或者点垃圾桶\n",
    "# 单元格可以上移和下降\n",
    "# ipynb不能当模块导入，只能作为脚本运行，但是可以转换成py文件运行\n",
    "# 如果不用了就右键关闭内核，释放当前内存资源"
   ],
   "id": "5caf0a3ef6756d29"
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 2
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython2",
   "version": "2.7.6"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 5
}
